Idaho vs Virginia Earthquake Risk

Idaho has a higher earthquake risk with a score of 6/10 (Moderate-High) compared to Virginia at 3/10 (Low-Moderate). This means Idaho faces more frequent and potentially more destructive seismic events.

Idaho averages approximately 100 earthquakes per year, while Virginia averages about 5 per year. Idaho experiences roughly 95 more earthquakes annually.

Idaho is associated with Lost River, Lemhi, Beaverhead faults. Virginia is associated with Central Virginia seismic zone. These fault systems determine the type and frequency of seismic activity each state experiences.

In Idaho, approximately 45% of the population lives in areas at risk from earthquakes, compared to 10% in Virginia. Idaho has a larger percentage of residents exposed to seismic hazard.

Idaho's most notable earthquake: 1983 Borah Peak (M6.9). Virginia's most notable earthquake: 2011 Mineral (M5.8). These historical events illustrate the seismic potential of each state.